package Arithmetic2; 
/**
 * Created by 竹韵澜 on 2017/5/16.
 */
import java.io.IOException;

public class OutPutTest {
    public static void main(String[] args) {
        Expression pra = new Expression();
        try {
            pra.outFile("Expression.txt","Practice.txt");
        }catch (IOException e){
            System.out.println(e);
        }
    }

}
